We feature technical articles across the entire IT spectrum - Networking, security, operating systems, cloud, and programming.

IPSO – Installing a new image using bootmgr

Below will show you how to install a IPSO image using the bootmgr, this can be useful if you have lost your password, or cannot get into the IPSO CLI for what ever reason. Reboot Device and on startup press 1 1   Bootmgr 2   IPSO Default: 1 Starting bootmgr Loading boot manager.. Install the image … Read more

PIX – How to view packet captures within Wireshark

Below provides the nessecary steps required to create an a packet capture on an ASA/PIX, and the relevant download method. Note : You will requre pscp (putty pscp) installed onto your PC. Download pscp here. This is only available in the later versions of PIX & ASA. First of all start the capture. capture capturefile … Read more

Netscreen – Create a Policy based VPN

This guide will show you how to create a policy based VPN on a Netscreen firewall. The encryption domain will be, Local Gateway : 2.2.2.2 Local Endpoint : 10.1.1.0 /24 Remote Gateway : 1.1.1.1 Remote Endpoint : 192.1.1.0 /24 1. Log into the Netscreens GUI 2. Click VPNs > Autokey IKE (Autokey IKE Screen is … Read more

Linux – How to Mount an ISO image

In order to mount your ISO you will need to add the ISO to your box, create the directory then mount the file, root@host:~$ mkdir /mnt/iso root@host:~$ mount -o loop -t iso9660 MYCD.iso /mnt/iso use the following command to confirm that you have mounted it correctly, root@host:~$ df -kh You should see, Filesystem           Size  Used … Read more

PIX 6.3 – Configure an Interface

Below will configure you interface with vlan50, ip address 1.1.1.1 with a name of outside. This will also bring up the interface. nameif ethernet0 outside security0ip address outside 1.1.1.1 255.255.255.0interface ethernet0 autointerface outside vlan50

PIX 6.3 – Enabling SSH

To enable ssh on your PIX (6.3) run the following, hostname myfw domain-name home.net ca gen rsa key 1024 ssh 0 0 inside ssh timeout 60 passwd 123 ca save all When you go to log in your username will be pix and the password 123.

PIX 6.3 – Add a Default Route

The following command will allow you to add a default route to your PIX device: route [interface name] 0 0 [default gw ip] Example route outside 0 0 1.1.1.1

Solaris / ESX – Networking Issues

Networking connectivity Issue / Dropping packets Ok, so I finally installed Solaris 10 32bit, but then found that the network interface keep dropping packets (??)To fix this I installed VMware tools which installs a new vmxnet driver but as a result this also renames your interface to vmxnet0.  Installing VMware tools has affected your machine … Read more